Aed -There were Kings and heros in Irish mythology with the name Aed or Aodh. It means "fire".
Aedan and Aodhan are variations on the name Aed.
Aiden -Aiden is an Irish name meaning "fire"
Candice -Candice is a girl's name of Greek origin which means "fire white" or of Latin origin meaning "pure".
Eldhrimnir -Eldhrimnir is the name of the great cauldron in which the Aesir's feast is cooked each night. The name means "sooty from the fire".
Jomo -Jomo is a Kenyan name meaning "flaming spear".
Kai -Kai is a boy's name of Scottish origin meaning "fire". It also means "ocean" in Hawaiian and and "seashell" in Japanese and can be used for a girl as well.
Obsidian -Obsidian is a naturally occuring volcanic glass that was an extremely useful major trade good during the stone age for making blades and spear tips. It is still used today as it forms a superior blade to metal and so is useful for surgeries. It is an attractive stone used in jewelry and decoration. It is most often gray to black, but snowflake obsidian has blotches of white through it.